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Many Solar PV modules exhibit significant loss in their expected performance due to variations in weather conditions such as ambient temperature and solar irradiance which result in inaccurate prediction of the module performance in the field. Obviously, the Standard Test Conditions (STC) and the Nominal Operating Cell Temperatures (NOCT) do not re...
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Citations
... Egbugha et al., FJS FUDMA Journal of Sciences (FJS) Vol. 7 No. 4, August, 2023, pp 51 -59Photovoltaic Module Standard Test ConditionsStandard test conditions (STCs) for a PV module's performance include a cell temperature of 25°C, a 1.5 air mass's standard spectral distribution (AM), and an incidence normal irradiance of 1000W/m2(Mustapha et al., 2013). A typical I-V characteristics curve for a PV module is shown inFigure 1.2 (Abdul et al., 2014). ...
For optimal design and system planning, it is essential to assess the actual operating status of solar to determine the detrimental impact of power losses. The paper analyzes the power loss caused by photovoltaic (PV) modules under the temperature conditions of Kaduna State, Nigeria. The study conducted an outdoor experiment between 7:00 AM and 6:00 PM, with a 30-minute interval to evaluate the performance of the installed modules in real time. The power output parameters and temperature of a monocrystalline and polycrystalline 120Watt PV panel were measured for three months, covering three seasons: August, January, and April. The experiment used two MASTECH MY64 digital multimeters and a temperature sensor (thermostat). The study found that the PV panel should reach its peak point between 11:00 AM and 2:30 PM, due to the angle of incident rays from the sun, high solar irradiance, and temperature. However, it was also observed that the heat generated by the PV panel in that region as a result of the panel's prolonged exposure to the sun negatively affected the output voltage and power generated. The results also showed that as the temperature increased, the current output increased but the voltage and power output decreased. The findings observed that every 1°C rise in temperature resulted in an average decrease of 0.51 watts (0.43%) for monocrystalline and 0.9 watts (0.78%) for polycrystalline during the solar peak. The study concluded that determining the actual working state of PV modules is crucial for an optimal design solution and improved system...
... The projected lifespan of the PV modules is typically around 20-25 years [8]. However, due to their unreliable estimation of the module's expected performance, several solar PV modules show poor performance in the field [9], [10]. ...
... There have been different kinds of research on fault detection. These studies include fault detection using cables to capture losses using mathematical diagnostic methods [15], output ratio (PR) measurement, voltage, and current observation [16], [17] array and grid power loss analysis [18]− [20], artificial neural network [4], [21]- [23] environment conditions [8], [9], temperature variation [24]− [27] and experimental method [17]. A few other fault detection techniques have been introduced on the Int J Pow Elec & Dri Syst ISSN: 2088-8694 Fault detection using acceptance ratio analysis on polycrystalline … (Nurmalessa Muhammad) 1099 AC side of PV systems, such as hot-spot detection [28], [29] and satellite data [6]. ...
p> Around the world, electricity generation from PV photovoltaic systems is increasing, achieving 10-20% PV system efficiency. However, PV systems degrade due to the technology and the operating conditions and become worse in tropical climate countries. Hence, degradation is one of the key performance indicators for the reliability assessment of a PV system. This paper presents the acceptance ratio (AR) analysis grid-connected photovoltaic (GCPV) located on the campus of the Universiti Teknologi MARA, Shah Alam, Malaysia as the key performance indicators. A comparative analysis of the actual and predicted AC Power and AR of the polycrystalline GCPV system is carried out over monitoring of a one-year period. MATLAB software is chosen to simulate the output power using actual data. Malaysian Standard MS2692:2020 has noted that the AR value must ≥ 0.9 to classify as accepted in testing and commissioning tests and AR < 0.9 has been indicated as a non-accepted GCPV system. The results of acceptance ratio (AR), yield (Y), specific yield (SY), and performance ratio (PR) show that almost half of the AR’s data results show below 0.9 with the performance ratio of PV systems was less than 75%, indicating that the systems needed to be completely replaced. </p
... The table 2 shows the data at different solar irradiance. et al., [18], Mustapha et al., [19] and Shaari, et al., [20] under Bangladesh, India, Nigeria and Malaysian conditions. ...
Solar energy is among the source of energy that is reliable, available and non-harmful to the society. The output of solar photovoltaic system can be improved by means of solar tracking system either mechanically or electrically. The modules of solar PV system are oriented so as to harness maximum solar irradiance from the sunlight. The performance of solar modules depends on the temperature of the solar modules. This present work deals with simulation of a solar PV module using Scilab Xcos software at different setups and operating conditions to give I-V and P-V curves. The results of the simulations show that a PV array that were modeled and simulated for variable solar irradiance maximum of one sun (700W/m2 to 1000W/m2) and constant temperature 250C, this increase in irradiance therefore lead to increase in current with the voltage remained relatively constant throughout the irradiance range.
... The table 2 shows the data at different solar irradiance. et al., [18], Mustapha et al., [19] and Shaari, et al., [20] under Bangladesh, India, Nigeria and Malaysian conditions. ...
... [10,11]. And when compared to the data of solar cells from manufacturers, the characteristics of solar panels are as follows. ...
This research aimed to investigate the effectiveness and performance of standalone photovoltaic systems of the half-cell and full-cell types. In Phetchabun province, it requires 8 hours of sunlight per day between the hours of 8:00 A.M. and 4:00 P.M.. Open circuit voltage, short circuit current, DC, and AC power are continually recorded for 62 days in July and August 2020. According to the results of the solar panel efficiency test, the full and haft cell solar panels' actual efficiencies are 89.13 and 89.04% of the manufacturer's maximum power, respectively. The power generating efficiency of full-cell and half-cell types of panels was considerably different at 95% confidence. The power of 307.5 and 307.9 W for full and half-cell solar panels. By using two 345 W solar panels connected in parallel, it can produce an average voltage and current of 25.40 V and 21.62 Ah respectively, and when charged to a 100 Ah 24 V battery for 8 hours it can use electrical appliances including 350, 450, 550, and 650 W.
... In [11], the authors investigated the influence of solar irradiance intensity levels considering the parameters such as ideality factor, saturation current, series resistance, and shunt resistance of polycrystalline silicon solar cells. In [12], the authors presented a study to evaluate the performance of a commercially used polycrystalline solar PV plant in the Maiduguri, Nigeria weather conditions. In [13], the authors presented a study of the PV module's performance variations on a continental scale. ...
This paper presents a study for the estimation of generation from a large-scale, grid-interfaced solar PV plant using the PVsyst software. This study aims to investigate the effect of tilt angle on the performance of the grid-integrated solar PV plant. Two types of tilt angle test plants, i.e., a fixed tilt angle of 30° (1 MW) and two seasonal tilt angles, in summer 13° and in winter 30° (2.5 MW), have been selected at the same location in Bikaner, India. The performance of the proposed test solar power plants, rated at 1 MW (fixed tilt angle) and 2.5 MW (two seasonal tilt angles), is established by comparing the results obtained using the PVsyst software with the practical data of annual solar insolation. It is established that the radiation incident on PV modules will increase by 2.41% if two seasonal tilt angles are considered. Hence, the annual capacity utilization factor (CUF) has increased by 0.26%. Furthermore, it is established that the proposed method's performance is superior compared to the statistical methods reported in the literature.
... In [11], authors investigated the influence of solar irradiance in-57 tensity level considering the parameters such as ideality factor, saturation current, series 58 resistance, and shunt resistance of polycrystalline silicon solar cells. In [12], authors pre-59 sented a study to evaluate performance of commercially used polycrystalline solar PV 60 plant in the Maiduguri-Nigeria weather conditions. In [13], authors presented a study of 61 PV module performance variations on a continental scale. ...
This paper presents a study for estimation of generation from large scale grid interfaced 17 solar PV plant using PVSyst software. This study is aimed at investigating the effect of tilt angle on 18 the performance of the grid integrated solar PV plant. Two types of tilt angle test plants i.e. fixed tilt 19 angle of 30° (1MW) and two seasonal tilt angles in summer 13° and in winter 30° (2.5MW) have been 20 selected at the same location at Bikaner, India. Performance of the proposed test solar power plants 21 rated at 1 MW (fixed tilt angle) and 2.5MW (two seasonal tilt angles) is established by comparing 22 the results obtained using the PVSyst software with the practical data of annual solar insolation. It 23 is established that radiation incident on PV modules will increase by 2.41% if two seasonal tilt angles 24 are considered. Hence, the annual capacity utilization factor (CUF) is increased by 0.26%. Further, 25 it is established that performance of proposed method is superior compared to the statistical meth-26 ods reported in literature.
... To get the adequate working voltage, PV cells are normally linked in series to form a module in majority of commercial PV products. PV modules are then connected in a series-parallel configuration to obtain the desired power output [1]. A solar panel is made up of 6x10 solar cells in most cases. ...
... A solar module's energy output can vary from 100 to 365W of Direct Current electricity. The higher the wattage output, the more energy per solar module is generated [1]. ...
Solar energy is an energy source that uses the sun energy to produce electricity. Solar panel are technologies used to harness the sun's energy for electricity production. Mono-crystalline and poly-crystalline are the most commercially used technology. The objective of this paper is to perform solar panel operation assessment for improved performance. Simulation was done on a solar panel simulation software called PSIM to observe the behavior of voltage, current and power. Outdoor experiment was also done to observe the behavior of voltage, current and power in real time. The outdoor experiment was conducted for three months. Tilt angle and panel orientation were investigated. Solar panel was placed facing North, South, East, West cardinal point. The tilt angle was varied between 0° to 90° with an increment of 5°. Tilt angle of 15° was observed to produce the highest average power output for the cardinal positions. It produced 40.80W facing north, 54.45W facing south, 47.13W facing east and 48.43W facing west cardinal position.
... In the PV system, the source of energy to the system is solar array.Solar irradiation, solar cell temperature and the operating point of the PV system refl ect the output of the of solar array. To have minimum PV-system output the area must fall within 1000 -2000 Wh /m2as minimum intensity and 15OC as minimum temperature [18]. From the Fig.2, Nigeria divided into three zones with zone I receiving the highestirradiation as shown in the map, Ibadan (7.430N,3.90E) ...
... Many studies focused on the behavior of solar modules are done taking into account parameters such as irradiation, temperature and humidity. Mustapha et al. [16], compared polycrystalline and monocrystalline technologies, the results indicated a direct relationship between the current generated by the modules and the irradiation and an independence of the temperature. However there is a decrease in the voltage due to an increase in temperature. ...
Photovoltaic solar technology has emerged as a sustainable and environmental friendly source of energy, capable of mitigate climate change caused by the intensive use of fossil fuels, in order to keep up with the current world’s demand for energy. Current research effort is focused on the behavior of photovoltaic modules under real working conditions.
